MongoDB Concepts

• What is MongoDB?
• Difference between SQL and NoSQL?
• What is a Document in MongoDB?
• What is a Collection in MongoDB?
• What is a BSON?
• How to Insert Data in MongoDB (insertOne, insertMany)?
• How to Read Data in MongoDB (find, findOne)?
• How to Update Data in MongoDB (updateOne, updateMany)?
• How to Delete Data in MongoDB (deleteOne, deleteMany)?
• What is Embedded Data Model in MongoDB?
• What is Referenced Data Model in MongoDB?
• When to Use Embedded vs Referenced Data Model in MongoDB?
• What is Indexing in MongoDB?
• Why Indexing Improves Performance in MongoDB?
• Types of Indexes in MongoDB?
• When NOT to Use Indexing in MongoDB?
• What is Aggregation Pipeline in MongoDB?
• $match Stage in MongoDB Aggregation Pipeline?
• $group Stage in MongoDB Aggregation Pipeline?
• $sort Stage in MongoDB Aggregation Pipeline?
• $project Stage in MongoDB Aggregation Pipeline?
• $lookup Stage (Join) in MongoDB?
• What is Mongoose?
• Difference between Schema and Model in Mongoose?
• How to Apply Validation in Mongoose?
• Pre and Post Hooks in Mongoose?
• How MongoDB Stores Data Internally?